56132520 has 64 divisors (see below), whose sum is σ = 168912000. Its totient is φ = 14923008.

The previous prime is 56132519. The next prime is 56132551. The reversal of 56132520 is 2523165.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 60621 + ... + 61539.

It is an arithmetic number, because the mean of its divisors is an integer number (2639250).

Almost surely, 2^56132520 is an apocalyptic number.

It is an amenable number.

56132520 is an abundant number, since it is smaller than the sum of its proper divisors (112779480).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

56132520 is a wasteful number, since it uses less digits than its factorization.

56132520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1442 (or 1438 counting only the distinct ones).

The product of its (nonzero) digits is 1800, while the sum is 24.

The square root of 56132520 is about 7492.1639063758. The cubic root of 56132520 is about 382.8877864810.

Adding to 56132520 its reverse (2523165), we get a palindrome (58655685).

The spelling of 56132520 in words is "fifty-six million, one hundred thirty-two thousand, five hundred twenty".